// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
#define GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_

#include "base/basictypes.h"
#include "base/containers/hash_tables.h"
#include "base/memory/ref_counted.h"
#include "gpu/gpu_export.h"
#include "ui/gl/gl_image.h"

namespace gfx {
class GLImage;
}

namespace gpu {
namespace gles2 {

    // This class keeps track of the images and their state.
    class GPU_EXPORT ImageManager {
    public:
        ImageManager();
        ~ImageManager();

        void Destroy(bool have_context);
        void AddImage(gl::GLImage* image, int32 service_id);
        void RemoveImage(int32 service_id);
        gl::GLImage* LookupImage(int32 service_id);

    private:
        typedef base::hash_map<int32, scoped_refptr<gl::GLImage>> GLImageMap;
        GLImageMap images_;

        DISALLOW_COPY_AND_ASSIGN(ImageManager);
    };

} // namespage gles2
} // namespace gpu

#endif // GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
